CN101836039B - A lighting device which colour and colour temperature is changed - Google Patents
A lighting device which colour and colour temperature is changed Download PDFInfo
- Publication number
- CN101836039B CN101836039B CN2007801012606A CN200780101260A CN101836039B CN 101836039 B CN101836039 B CN 101836039B CN 2007801012606 A CN2007801012606 A CN 2007801012606A CN 200780101260 A CN200780101260 A CN 200780101260A CN 101836039 B CN101836039 B CN 101836039B
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- sealing block
- transformation
- wave length
- light
- lighting device
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V14/00—Controlling the distribution of the light emitted by adjustment of elements
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F2/00—Demodulating light; Transferring the modulation of modulated light; Frequency-changing of light
- G02F2/02—Frequency-changing of light, e.g. by quantum counters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V14/00—Controlling the distribution of the light emitted by adjustment of elements
- F21V14/003—Controlling the distribution of the light emitted by adjustment of elements by interposition of elements with electrically controlled variable light transmissivity, e.g. liquid crystal elements or electrochromic devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
Abstract
A lighting device includes a light source emitting a ray with a first wavelength; at least a sealing block; at least one wavelength converting material filled in the sealing block; and a mean for adjusting the consistency of the wavelength converting material set on the sealing block for control to control the consistency of the wavelength converting material in the sealing block. When the ray crosses the sealing block, it can be converted to be the ray with a second wavelength by the absorb of the wavelength converting material.
Description
Technical field
The present invention relates to the lighting device that a kind of tool color and colour temperature change, and particularly relevant for a kind of lighting device that changes with control color and colour temperature through the distributed density that changes material for transformation of wave length (Wavelength Converter).
Background technology
In recent years, along with the popularization of environmental consciousness, energy savings has become a general common recognition.In different types of lighting device, can produce the not high traditional osram lamp of a large amount of heat radiations so that luminous efficacy, and the material that is used can cause the mercury fluorescent tube of environmental pollution, do not met the trend of this environmental protection all.Therefore, develop gradually to utilize light emitting diode (Light Emitting Diode LED) is used as lighting device, is intended to replace future above-mentioned traditional osram lamp and the mercury fluorescent tube that does not meet the environmental protection demand the personnel in this field.
Light emitting diode (LED) is with the produced lighting device of semiconductor technology, advantage such as it has, and volume is little, non-thermal radiation, power consumption is low, the life-span is long and reaction speed is good; In addition, light emitting diode can through the doping content combination of different compounds material or the variation between modular construction produces different single glow colors.
Yet the lighting device that only has monochromatic source has been not enough to satisfy the user.Along with the raising of life requirement, lighting device is except being used as simple illumination, and the user also hopes and can freely adjust the glow color of lighting device according to condition of different, makes the wider of its application, richer variability.
United States Patent (USP) U.S.Pat.No.6357889 has proposed the lighting device that a kind of controllable colour changes.It mainly comprises a plurality of light emitting diodes that can send the different wave length light beam, and the fluorescent material of the multiple different colours of arranging in pairs or groups is formed.Wherein, those fluorescent material can absorb the emission light from each light emitting diode, convert light beams of different wavelengths then to and discharge.Therefore, whether the emission of this lighting device through those light emitting diodes of control produces required light beams of different wavelengths, mixes, with the effect of the illumination that reaches the generation different colours again.
United States Patent (USP) U.S.Pat.No.6636003 has then proposed a kind of lighting device that colour temperature changes of controlling.It mainly comprises light emitting diode and a plurality of white light-emitting diode of a plurality of non-whites, and combines with different arrangement modes.Through controlling the luminous intensity of above-mentioned light emitting diode, the light emitting diode of above-mentioned non-white and the emission light of white light-emitting diode are mixed each other, can obtain the white-light illuminating of different-colour.
Yet, in the above-mentioned lighting device that proposes, no matter be the variation of desire control color or colour temperature; It all must use a plurality of light emitting diodes to reach purpose; So that make the control system very complicated, the difficulty that has also increased design and safeguarded, but the variation of its color and colour temperature is still limited.
Summary of the invention
One of the object of the invention under the situation of only using single light source, can pass through to change the distributed density of material for transformation of wave length, to reach the variation of control color and colour temperature at the lighting device that provides a kind of tool control color and colour temperature to change.
For achieving the above object, technical solution of the present invention is to propose a kind of lighting device, comprising: a light source, in order to launch one have first wavelength light; At least one sealing block; At least one material for transformation of wave length is filled in the sealing block; And a concentration regulator, be located on the sealing block, be filled in the distributed density of this material for transformation of wave length in the sealing block in order to control; Wherein, When this light passes the sealing block, be changed by the absorption of this material for transformation of wave length, generation one has the light of second wavelength.
Or a kind of lighting device is proposed, comprising: a light source, in order to launch one have first wavelength light; At least one sealing block; At least one material for transformation of wave length is filled in the sealing block; And most electrodes; Be arranged at the both sides of sealing block respectively, in order to apply a voltage in the sealing block, wherein; This material for transformation of wave length is charged population; And when this light passed the sealing block, this light was changed by the absorption of this material for transformation of wave length, and generation one has the light of second wavelength.
Advantage of the present invention is:
This lighting device, it can use single light source, and passes through the distributed density that concentration regulator changes material for transformation of wave length, to reach the purpose of control illuminating color and colour temperature, makes its range of application wider, richer variability.
Description of drawings
Fig. 1 illustrate is the sketch map of first embodiment of lighting device of the present invention;
Fig. 2 illustrate is the sketch map of first embodiment after applying big voltage of lighting device of the present invention;
Fig. 3 illustrate is the sketch map of first embodiment after applying small voltage of lighting device of the present invention;
Fig. 4 illustrate is the sketch map of second embodiment of lighting device of the present invention;
Fig. 5 illustrate is the sketch map of the 3rd embodiment of lighting device of the present invention;
Fig. 6 illustrate is the sketch map of the 3rd embodiment after applying voltage of lighting device of the present invention;
Fig. 7 illustrate is the sketch map of the 4th embodiment of lighting device of the present invention.
The primary clustering symbol description
Each assembly that is comprised in the accompanying drawing of the present invention is listed as follows:
1: light source.
2: the first sealing blocks.
3: the second sealing blocks.
4: the three sealing blocks.
5: electrode.
6: the first material for transformation of wave length.
7: the second material for transformation of wave length.
8: the three-wavelength transition materials.
9: the first motor lead agencies.
10: the second motor lead agencies.
The specific embodiment
In order to enable further to understand characteristic of the present invention and technology contents, see also following detailed description and accompanying drawing, yet institute's accompanying drawing only provides reference and explanation about the present invention, be not to be used for the present invention is limited.
The present invention proposes a kind of lighting device, and it comprises a light source; At least one sealing block; At least one material for transformation of wave length is filled in the sealing block; And a concentration regulator, be provided with on the sealing block, in the distributed density that is filled in the material for transformation of wave length in the sealing block in order to control.
Please with reference to Fig. 1, its illustrate is the sketch map of first embodiment of lighting device of the present invention.According to the lighting device that first embodiment of the invention proposed, it comprises a light source 1; Three sealing blocks, it is respectively the first sealing block 2, second and seals block 3 and the 3rd sealing block 4; Three kinds of material for transformation of wave length; Being filled in the first sealing block 2, second respectively seals in block 3 and the 3rd sealing block 4; For example, in the present embodiment, first material for transformation of wave length 6 is to be filled in the first sealing block 2; Second material for transformation of wave length 7 is to be filled in the second sealing block 3, and three-wavelength transition material 8 is to be filled in the 3rd sealing block 4; And a concentration regulator, it comprises most electrodes 5, is arranged at the both sides of sealing block 2,3,4 respectively, and wherein, those material for transformation of wave length are charged population.
In the present embodiment; Light source 1 can be a light emitting diode or a fluorescent lamp; And first material for transformation of wave length 6, second material for transformation of wave length 7 and three-wavelength transition material 8 can be the fluorescent material that coats charged ion or are the fluorescent material of charging property material, and it can absorb from the light beam of light source 1 and discharge light beams of different wavelengths.When applying a voltage respectively when the first sealing block 2, second seals the electrode 5 of block 3 and the 3rd sealing block 4 both sides; Charged fluorescent material 6,7,8 in the sealing block 2,3,4 can because of the effect of voltage near to the position of a lateral electrode 5 wherein; And the distributed density of charged fluorescent material 6,7,8 in sealing block 2,3,4 just can change, and the distributed density that especially seals the charged fluorescent material 6,7,8 of middle body in the block 2,3,4 can relatively diminish.
Therefore; When the emission light of light source 1 during respectively through each sealing block 2,3,4; Because the change of the distributed density of the charged fluorescent material 6,7,8 of middle body in the sealing block 2,3,4; The ratio that the emission light of light source 1 receives charged fluorescent material 6,7,8 absorption conversions respectively also can change, and then produces various colors.
Moreover, when the voltage swing that applies not simultaneously, charged material for transformation of wave length is attracted and near to wherein the quantity of the position of a lateral electrode also can be different; In addition, when material for transformation of wave length because of the voltage effect near to the position of electrode the time, the distributed density of the material for transformation of wave length of middle body just can relatively diminish in the sealing block; Therefore, the distributed density of the material for transformation of wave length in each sealing block can be controlled by the voltage swing that is applied, and that is to say, the distributed density of the material for transformation of wave length of middle body can be controlled by the voltage swing that is applied in each sealing block.
Therefore; When the distributed density of the material for transformation of wave length of middle body in the sealing block changes; Light beam that light source sent can be because be absorbed and discharge light beams of different wavelengths by the material for transformation of wave length of different distributions concentration, and then change the glow color and the colour temperature of lighting device.
The lighting device that proposes according to first embodiment of the invention below will be described, when applying different big small voltages in the sealing block, the variation situation of the distributed density of material for transformation of wave length, and the variation of color and colour temperature.
Please with reference to Fig. 2, its illustrate is the sketch map of first embodiment after applying big voltage of lighting device of the present invention.In this sketch map, light source 1 is a ultraviolet light-emitting diodes 1; First material for transformation of wave length 6 is a red zone negative electricity fluorescent material 6, is filled in the first sealing block 2; Second material for transformation of wave length 7 is a blue ribbon negative electricity fluorescent material 7, is filled in the second sealing block 3; And three-wavelength transition material 8 is green electronegative fluorescent material 8, is filled in the 3rd sealing block 4.
When needing the illumination of ruddiness; Apply one first voltage respectively in the second sealing block 3 and the 3rd sealing block 4; Make the blue ribbon negative electricity fluorescent material 7 that is filled in respectively in the second sealing block 3 and the 3rd sealing block 4 and green electronegative fluorescent material 8 receive voltage effect and near the position of the electrode 5 of a side high potential extremely wherein; Cause the blue ribbon negative electricity fluorescent material 7 of second sealing block 3 central parts and the distributed density of the green electronegative fluorescent material 8 of the 3rd sealing block 4 central parts to reduce, and then the emission light of minimizing ultraviolet light-emitting diodes 1 is converted into blue light by blue ribbon negative electricity fluorescent material 7 or converted into the ratio of green glow by green electronegative fluorescent material 8.In addition; Because the first sealing block 2 is not bestowed voltage; Red zone negative electricity fluorescent material 6 can be scattered in the first sealing block 2 fifty-fifty; And keep its concentration originally, therefore, the emission light of ultraviolet light-emitting diodes 1 is mainly absorbed conversion and the illumination of generation ruddiness by red zone negative electricity fluorescent material 6.
Please with reference to Fig. 3, its illustrate is the sketch map of first embodiment after applying small voltage of lighting device of the present invention.In this sketch map, light source 1 is a ultraviolet light-emitting diodes 1; First material for transformation of wave length 6 is a red zone negative electricity fluorescent material 6, is filled in the first sealing block 2; Second material for transformation of wave length 7 is a blue ribbon negative electricity fluorescent material 7, is filled in the second sealing block 3, and three-wavelength transition material 8 is green electronegative fluorescent material 8, be filled in the 3rd sealing block 4, and red bluish-green three-color phosphor is a same concentrations.
When needing the white-light illuminating of cool colour temperature; Apply one second voltage respectively in the first sealing block 2 and the 3rd sealing block 4; Wherein, Second voltage is first voltage less than above-mentioned another embodiment; Therefore receive the second voltage effect and toward the position of the electrode of a side high potential wherein near electronegative fluorescent material quantity be that to receive the electronegative fluorescent material quantity of the first voltage effect few; That is; Be filled in red zone negative electricity fluorescent material 6 and green electronegative fluorescent material 8 in the first sealing block 2 and the 3rd sealing block 4 because of receiving the effect of small voltage, so that the red zone negative electricity fluorescent material 6 and the 3rd of the first sealing block, 2 central parts seals the degree of distributed density reduction of green electronegative fluorescent material 8 of block 4 central parts is less, yet its emission light that can reduce ultraviolet light-emitting diodes 1 is equally converted into ruddiness by red zone negative electricity fluorescent material 6 or converted into the ratio of green glow by green electronegative fluorescent material 8.
In addition; Because second airtight container 3 is not bestowed voltage; Blue ribbon negative electricity fluorescent material 7 can be scattered in second airtight container 3 fifty-fifty, and keeps its distributed density originally, therefore; The emission light of ultraviolet light-emitting diodes 1 is slightly more than red zone negative electricity fluorescent material 6 and green electronegative fluorescent material 8 by the ratio of conversion that blue ribbon negative electricity fluorescent material 7 absorbs, so that behind mixed light, can produce the white-light illuminating of cool colour temperature.
Therefore; In the present embodiment; When needing the illumination of different colours or colour temperature; Only need put on the voltage swing of the first sealing block 2, the second sealing block 3 and the 3rd sealing block 4, adjust the distributed density of first material for transformation of wave length 6, second material for transformation of wave length 7 and three-wavelength transition material 8, can produce color or the colour temperature illumination wanted through control respectively.More say it, if the material for transformation of wave length that uses is many more, the color that can colour mixture produces is also just many more.
Please with reference to Fig. 4, its illustrate is the sketch map of second embodiment of lighting device of the present invention.According to the lighting device that second embodiment of the invention proposed, it comprises a light source 1; Three sealing blocks, it is respectively the first sealing block 2, second and seals block 3 and the 3rd sealing block 4; Three kinds of material for transformation of wave length; Being filled in the first sealing block 2, second respectively seals in block 3 and the 3rd sealing block 4; For example, in the present embodiment, first material for transformation of wave length 6 is to be filled in the first sealing block 2; Second material for transformation of wave length 7 is to be filled in the second sealing block 3, and three-wavelength transition material 8 is to be filled in the 3rd sealing block 4; And a concentration regulator, it comprises most electrodes 5, is arranged at the both sides of sealing block 2,3,4 respectively, and wherein, those material for transformation of wave length are charged population.
The difference of the lighting device of the lighting device of present embodiment and first embodiment is; The lighting device of first embodiment is light source 1 and sealing block 2,3,4 separated structures, and the lighting device of present embodiment then is the structure that is coated by sealing block 2,3,4 on every side of light source 1.In addition, principle that present embodiment utilized and operation system are all identical with first embodiment.
Please with reference to Fig. 5, its illustrate is the sketch map of the 3rd embodiment of lighting device of the present invention.According to the lighting device that third embodiment of the invention proposed, it comprises a light source 1; One sealing block 2; Three kinds of material for transformation of wave length are respectively first material for transformation of wave length 6, second material for transformation of wave length 7 and the three-wavelength transition material 8, all are filled in the sealing block 2; And a concentration regulator, it comprises most electrodes 5, is arranged at the both sides of sealing block 2, and wherein, those material for transformation of wave length are charged population.
In the present embodiment; Light source 1 can be a light emitting diode or a fluorescent lamp; And first material for transformation of wave length 6, second material for transformation of wave length 7 and three-wavelength transition material 8 can be the fluorescent material that coats charged ion or are the fluorescent material of charging property material; Its concentration and carried charge have nothing in common with each other, but all can absorb from the light beam of light source 1 and discharge light beams of different wavelengths.When applying a voltage in sealing block 2; The charged fluorescent material 6,7,8 that sealing has the different band electric weight in the block 2 has that different quantity is attracted and near the position of a lateral electrode 5 wherein, so that the distributed density that seals the charged fluorescent material 6,7,8 of middle bodies in the block 2 changes.
Therefore; When the emission light of light source 1 passes through sealing block 2; Because the change of the distributed density of the charged fluorescent material 6,7,8 of middle body in the sealing block 2; The ratio that the emission light of light source 1 receives charged fluorescent material 6,7,8 absorption conversions respectively also can change, and then produces various colors.
Please with reference to Fig. 6, its illustrate is the sketch map of the 3rd embodiment after applying voltage of lighting device of the present invention.In this sketch map, light source 1 is a ultraviolet light-emitting diodes 1; First material for transformation of wave length 6 is a red zone negative electricity fluorescent material 6; Second material for transformation of wave length 7 is that blue ribbon negative electricity fluorescent material 7, the three-wavelength transition materials 8 are green electronegative fluorescent material 8, all is filled in the sealing block 2; And the carried charge of red zone negative electricity fluorescent material 6 is the highest; Concentration is also the highest, and the carried charge and the concentration of green electronegative fluorescent material 8 are taken second place, and the carried charge and the concentration of blue ribbon negative electricity fluorescent material 7 are then minimum.
When the illumination of the inclined to one side blue light of needs; Can apply a voltage in sealing block 2; Make the red zone negative electricity fluorescent material 6, blue ribbon negative electricity fluorescent material 7 and the green electronegative fluorescent material 8 that are filled in the sealing block 2 receive voltage effect and near to the position of the electrode 5 of a side high potential wherein; Cause the distributed density of the green emitting phosphor 8 that the highest red fluorescence powder of carried charge 6 and carried charge take second place significantly to reduce; Be lower than the distributed density of blue colour fluorescent powder 7; And then the emission light that makes ultraviolet light-emitting diodes 1 is converted into ruddiness by red zone negative electricity fluorescent material 6 or the ratio that is converted into green glow by green electronegative fluorescent material 8 is lower than the ratio that is converted into blue light by blue ribbon negative electricity fluorescent material 7, and therefore, the emission light of ultraviolet light-emitting diodes 1 is mainly absorbed the illumination of changing and producing inclined to one side blue light by blue ribbon negative electricity fluorescent material 7.Relatively, if do not apply voltage, the distributed density of red fluorescence powder 6 is the highest, and the color that then produces can be red partially.
Please with reference to Fig. 7, its illustrate is the sketch map of the 4th embodiment of lighting device of the present invention.According to the lighting device that fourth embodiment of the invention proposed, it comprises a light source; Two sealing blocks are respectively the first sealing block 2 and the second sealing block 3; Two kinds of material for transformation of wave length are filled in respectively in the first sealing block 2 and the second sealing block 3; And a concentration regulator, it comprises the two motor lead agency, is connected with the first sealing block 2 and the second sealing block 3 respectively.For example, in the present embodiment, the first motor lead agency 9 is connected in the first sealing block 2, and first material for transformation of wave length 6 is to be filled in the first sealing block 2; The second motor lead agency 10 is connected in the second sealing block 3, and second material for transformation of wave length 7 is to be filled in the second sealing block 3.
In the present embodiment, light source 1 can be a light emitting diode or a fluorescent lamp, and first material for transformation of wave length 6, second material for transformation of wave length 7 can be fluorescent material, and it can absorb from the light beam of light source 1 and discharge light beams of different wavelengths.In addition, the mode of the first motor lead agency 9, the second motor lead agency 10 electronic or manual control capable of using changes the volume of the first sealing block 2, the second sealing block 3.When the first motor lead agency 9 and the second motor lead agency 10 compress the volume of the first sealing block 2 and the second sealing block 3 respectively; Fluorescent material 6,7 in the sealing block 2,3 can cause distributed density to improve because of the volume-diminished of sealing block 2,3; And then the emission light that influences light source 1 is by the ratio of fluorescent material 6,7 absorption conversions, to produce various colors.
The principle identical with first embodiment, the 4th embodiment utilizes the motor lead agency directly to compress or expand the volume of sealing block, and the distributed density of material for transformation of wave length is changed, and goes out the light beam of different colours and the white light of different-colour with mixed light.That is to say; Except the variation of distributed density with control color and colour temperature of voltage available control material for transformation of wave length, mechanical device also capable of using is controlled the distributed density of material for transformation of wave length to reach identical effect with the mode of direct change volume according to lighting device proposed by the invention.
Therefore, according to lighting device proposed by the invention, it can use single light source, and passes through the distributed density that concentration regulator changes material for transformation of wave length, to reach the purpose of control illuminating color and colour temperature, makes its range of application wider, richer variability.
In sum, though the present invention discloses as above with preferred embodiment, so it is not in order to limit the present invention; Anyly have the knack of this art; In spirit that does not break away from the present invention and scope, when can doing various changes and retouching, so the present invention's protection domain is as the criterion when looking the claim person of defining.
Claims (6)
1. a lighting device is characterized in that, comprising:
One light source, in order to launch one have first wavelength light;
At least one sealing block;
At least one material for transformation of wave length is filled in the sealing block; And
One concentration regulator; Be located on the sealing block, be filled in the distributed density of this material for transformation of wave length in the sealing block in order to control, wherein this concentration regulator is at least one motor lead agency; Be connected to the sealing block, in order to change the volume of sealing block;
Wherein, when this light passed the sealing block, this light was changed by the absorption of this material for transformation of wave length, and generation one has the light of second wavelength.
2. lighting device as claimed in claim 1 is characterized in that, this light source is a light emitting diode or a fluorescent lamp.
3. lighting device as claimed in claim 1 is characterized in that, this motor lead agency is by electronic or manual control.
4. lighting device as claimed in claim 1 is characterized in that, this material for transformation of wave length is a fluorescent material.
5. a lighting device is characterized in that, comprising:
One light source, in order to launch one have first wavelength light;
At least one sealing block;
At least one material for transformation of wave length is filled in the sealing block; And
A most electrode; Be arranged at the both sides of sealing block respectively, in order to apply a voltage in the sealing block, wherein; This material for transformation of wave length is charged population; And when this light passed the sealing block, this light was changed by the absorption of this material for transformation of wave length, and generation one has the light of second wavelength.
6. lighting device as claimed in claim 5 is characterized in that, this material for transformation of wave length is to coat the fluorescent material of charged ion or is the fluorescent material of charging property material.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2007/003141 WO2009059454A1 (en) | 2007-11-05 | 2007-11-05 | A lighting device which colour and colour temperature is changed |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101836039A CN101836039A (en) | 2010-09-15 |
| CN101836039B true CN101836039B (en) | 2012-08-22 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007801012606A Expired - Fee Related CN101836039B (en) | 2007-11-05 | 2007-11-05 | A lighting device which colour and colour temperature is changed |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US7753559B2 (en) |
| CN (1) | CN101836039B (en) |
| WO (1) | WO2009059454A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI610467B (en) * | 2015-08-18 | 2018-01-01 | 晶元光電股份有限公司 | Wavelength conversion film, manufacturing method thereof and light-emitting device using the same |
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| KR101429704B1 (en) * | 2008-01-31 | 2014-08-12 | 삼성디스플레이 주식회사 | Wavelength transforming member, Light assembly having the same, and liquid crystal display |
| US20090323322A1 (en) * | 2008-06-25 | 2009-12-31 | Production Resource Group L.L.C | Lamp Formed of LED Clusters with Controllable coloring parts |
| JP5635832B2 (en) * | 2010-08-05 | 2014-12-03 | スタンレー電気株式会社 | Semiconductor light emitting device |
| KR102114419B1 (en) * | 2013-10-17 | 2020-05-22 | 삼성전자주식회사 | Lighting device |
| DE102014210492A1 (en) | 2014-06-03 | 2015-12-03 | Osram Gmbh | Conversion device for converting radiation of an excitation radiation source into conversion radiation and method for producing such a conversion device |
| US9648696B2 (en) | 2015-04-28 | 2017-05-09 | Lumenetix, Inc. | Recalibration of a tunable lamp system |
| CN104835423B (en) * | 2015-06-01 | 2017-11-28 | 深圳市齐普光电子股份有限公司 | Before a kind of small spacing maintained LED display screen and its before safeguard assembly and disassembly methods |
| TWI541472B (en) * | 2015-06-11 | 2016-07-11 | 友達光電股份有限公司 | Backlight module |
| CN110185950A (en) * | 2019-05-10 | 2019-08-30 | 安徽屹珹新材料科技有限公司 | Application, encapsulating structure and the packaging method of a kind of fluoro polyolefine material in UV LED encapsulation material |
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| US7265488B2 (en) * | 2004-09-30 | 2007-09-04 | Avago Technologies General Ip Pte. Ltd | Light source with wavelength converting material |
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2007
- 2007-11-05 WO PCT/CN2007/003141 patent/WO2009059454A1/en active Application Filing
- 2007-11-05 CN CN2007801012606A patent/CN101836039B/en not_active Expired - Fee Related
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2008
- 2008-06-24 US US12/145,101 patent/US7753559B2/en not_active Expired - Fee Related
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| US5813753A (en) * | 1997-05-27 | 1998-09-29 | Philips Electronics North America Corporation | UV/blue led-phosphor device with efficient conversion of UV/blues light to visible light |
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| Publication number | Publication date |
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| WO2009059454A1 (en) | 2009-05-14 |
| CN101836039A (en) | 2010-09-15 |
| US20090116218A1 (en) | 2009-05-07 |
| US7753559B2 (en) | 2010-07-13 |
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